# volcanic ash

> volcanic material formed during explosive eruptions with the diameter of the grains less than 2 mm

**Wikidata**: [Q107099](https://www.wikidata.org/wiki/Q107099)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Volcanic_ash)  
**Source**: https://4ort.xyz/entity/volcanic-ash


## References

1. Virtual International Authority File
2. Freebase Data Dumps. 2013
3. BBC Things
4. [Environment Ontology](https://raw.githubusercontent.com/INCATools/environments2wikidata/master/matches/curated-high-confidence-envo.tsv)
5. KBpedia
6. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)